Patents by Inventor Yat Ming Wong

Yat Ming Wong has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230283093
    Abstract: An electrical apparatus comprising a first housing portion and a second housing portion, a first set of battery contacts and a second set of battery contacts, when the second housing portion is at a first relative position, the second set of battery contacts is at an actuation position; and when the second housing portion is at a second relative position, the second set of battery contacts is at a non-actuation position.
    Type: Application
    Filed: May 15, 2023
    Publication date: September 7, 2023
    Inventors: Yiu Cheung Brian Li, Yat Ming Wong, Yui Ho Chan, De Qing Zeng